Showing papers by "Matra published in 2009"
27 Apr 2009
TL;DR: A 2.45GHz passive RFID tag including a digital pressure sensor and its use in a mobile-phone-centric architecture for sensor networks are described, which makes possible a variety of ambient intelligence applications.
Abstract: A 2.45GHz passive RFID tag including a digital pressure sensor and its use in a mobile-phone-centric architecture for sensor networks are described. The combination of a low-cost remote-powered sensor tag and an open architecture makes possible a variety of ambient intelligence applications. The tag gathers power from the ISM band at 2.45GHz and wireless pressure measurement is demonstrated at a distance of 42 cm with 0.5 W EIRP transmission power and 110 cm with 4 W. The sensor is able to carry out pressure measurement with a 12-bit-resolution and a 100Hz reading frequency.
5 citations
TL;DR: A morphological analysis of Lozekia -Kovacsia material collected throughout the postulated range of this species group found the structure of the dart-sac complex and the number of digitiform glands were found to be the most reliable.
Abstract: The Lozekia-Kovacsia species group comprises three species occurring in the Carpathian-Pannonian region, namely Lozekia transsilvanica (Westerlund, 1876), Lozekia deubeli (M. Kimakowicz, 1890) and Kovacsia kovacsi (Varga & L. Pinter, 1972). These species are known to be distinguishable by their genital morphology but, up to now, only a few populations have been examined anatomically. Due to their conchological similarity, distribution records that have been based on individuals of unknown anatomy are unreliable, and the ranges are far from being well defined. First we identified the type locality of L. transsilvanica and investigated the genital morphology of topotypical material in order to ensure the correct use of this name. Furthermore, we carried out a morphological analysis of Lozekia -Kovacsia material collected throughout the postulated range of this species group. Of the previously proposed species-specific features, the structure of the dart-sac complex and the number of digitiform glands were found to be the most reliable. Based on these genital characters, we re-defined the ranges of the three species; those of K. kovacsi and L. deubeli were found much larger than believed previously. Finally, we describe the morphology of the spermatophore of K. kovacsi, which was found in this species for the first time. (© 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
3 citations
25 Nov 2009
TL;DR: This paper shows a CORBA-compliant implementation of the integrity policy and presents an approach for the management of highly critical tasks coexisting with non-critical tasks in a single processor or multiprocessor architecture.
Abstract: We present an approach for the management of highly critical tasks coexisting with non-critical tasks in a single processor or multiprocessor architecture. To prevent error propagation from non-critical to critical tasks, an integrity level is assigned to groups of tasks according to their trustworthiness. Multiple levels of integrity are implemented using spatial and temporal isolation, and mediation via an integrity policy. The integrity policy defines the rules for data flow between integrity levels and resource utilisation by the tasks at different levels. Since the GUARDS project aims to provide generic solutions for a variety of application domains, the described integrity management can be implemented either in a middleware, the operating system or both. In this paper, we show a CORBA-compliant implementation of the integrity policy.
3 citations